<template>
    <div>
      <!-- 面包屑导航 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 卡片视图 -->
      <el-card>
        <el-row :gutter="20">
          <el-col :span="8">
            <!-- 搜索与添加区域 -->
            <el-input placeholder="请输入内容" v-model="queryInfo.query" @clear="getUserList" class="input-with-select" clearable>
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
          </el-col>
        </el-row>
        <!-- 用户列表区域 -->
        <el-table :data="userList" border stripe>
          <el-table-column type="index" :index="calcIndex"></el-table-column>
          <el-table-column label="姓名" prop="username"></el-table-column>
          <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
          <el-table-column label="角色" prop="role_name"></el-table-column>
          <el-table-column label="状态">
            <template slot-scope="scope">
              <!-- {{scope.row.mg_state}} -->
              <el-switch
                v-model="scope.row.mg_state"
                active-color="#13ce66"
                inactive-color="#ff4949"
                @change="userStateChanged(scope.row)"
              >
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="250px">
            <template slot-scope="scope">
              <!-- 编辑角色 -->
              <el-button type="primary" icon="el-icon-edit" size="small"
                         @click="showEditDialog(scope.row.id)"></el-button>

              <!-- 删除角色 -->
              <el-button type="danger" icon="el-icon-delete" size="small"
                         @click="showDeleteDialog(scope.row.id)"></el-button>

              <!-- 分配角色 -->
               <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" size="small"></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
         :current-page="queryInfo.pagenum" :page-sizes="[1, 5, 10, 20]"
         :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
         :total="total"> </el-pagination>
      </el-card>

      <!-- 添加用户的对话框 -->
      <el-dialog
              title="添加用户"
              :visible.sync="addDialogVisible"
              width="50%"
              @close="addDialogClosed"
              >
        <!-- 内容主体 -->
        <el-form ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="80px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password" type="password"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog
              title="修改用户信息"
              :visible.sync="editDialogVisible"
              width="50%"
              @close="editDialogClosed"
      >
        <!-- 内容主体 -->
        <el-form ref="modifyFormRef" :model="editForm" :rules="editFormRules" label-width="80px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="editForm.username" disabled="true"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>
    </div>
</template>

<script>
export default {
  name: 'Users',
  data() {
    // 验证手机号的校验规则
    const checkMobile = (rule, value, cb) => {
      // 定义手机号的正则表达式
      const regMobile = /^(13[0-9]|14[579]|15[0-3,5-9]|16[6]|17[0135678]|18[0-9]|19[89])\d{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 5
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加用户表单验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 15, message: '用户名长度在 3 - 15 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 15, message: '密码长度在 3 - 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          // 添加自定义规则
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 修改用户表单验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          // 添加自定义规则
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制编辑用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {}
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      console.log(res)
      if(res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听PageSize改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听开关转态的改变
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if(res.meta.status !== 200){
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }
      this.$message.success('更新用户状态成功!')
    },
    // 监听用户对话框的关闭事件
    addDialogClosed() {
        this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid)
        if(!valid) return
        // 发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        console.log(res)
        if(res.meta.status !== 201) {
          return this.$message.error('res = ')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表
        await this.getUserList()
      })
    },
    // 自定义表格的索引
    calcIndex(index) {
      return (this.queryInfo.pagenum - 1) * this.queryInfo.pagesize + index + 1
    },
    // 展示修改用户的对话框
    async showEditDialog(id) {
      // 发起添加用户的网络请求
      const { data: res } = await this.$http.get('users/' + id)
      if(res.meta.status !== 200){
        return this.$message.error('查询用户数据失败!')
      }
      this.editForm = res.data
      this.editDialogVisible = true
      console.log(this.editForm)
    },
    // 重置修改的表单
    editDialogClosed() {
      this.$refs.modifyFormRef.resetFields()
    },
    // 修改用户信息
    editUserInfo() {
      this.$refs.modifyFormRef.validate(async valid => {
        if(!valid) return
        // 发起修改用户的网络请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if(res.meta.status !== 200) {
          this.$message.error('res = ' + res)
        }
        // 隐藏添加用户的对话框
        this.editDialogVisible = false
        // 重新获取用户列表
        await this.getUserList()
        this.$message.success('修改用户成功')
      })
    },
    // 弹出删除用户的确认对话框
    showDeleteDialog(id) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        // 删除用户
        const { data: res } = await this.$http.delete('users/' + id)
        console.log(res)
        if(res.meta.status === 200){
          await this.getUserList()
          this.$message.success('删除用户成功')
        }else{
          this.$message.error('删除用户失败')
        }
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }
}
</script>

<style lang="less" scoped>

</style>
